From 7857b92c47630478a34050d07f449809183900bc Mon Sep 17 00:00:00 2001
From: tinayuangao <tinagao@google.com>
Date: Fri, 30 Mar 2018 13:09:54 -0700
Subject: [PATCH] fix(tree): fix nested node is not working (#10635)

---
 src/lib/tree/node.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/lib/tree/node.ts b/src/lib/tree/node.ts
index 0376f410c36..f5523820d48 100644
--- a/src/lib/tree/node.ts
+++ b/src/lib/tree/node.ts
@@ -101,4 +101,15 @@ export class MatNestedTreeNode<T> extends _MatNestedTreeNodeMixinBase<T>
 
     this.tabIndex = Number(tabIndex) || 0;
   }
+
+  // This is a workaround for https://github.com/angular/angular/issues/23091
+  // In aot mode, the lifecycle hooks from parent class are not called.
+  // TODO(tinayuangao): Remove when the angular issue #23091 is fixed
+  ngAfterContentInit() {
+    super.ngAfterContentInit();
+  }
+
+  ngOnDestroy() {
+    super.ngOnDestroy();
+  }
 }